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  1. Replies
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    Sweet. Added to my notes about how you found a...

    Sweet. Added to my notes about how you found a way to extend my PCjr 160x100 mode to all Tandys.

    (
    and for those who are curious about that one:
    PCjr: clear bits 6 and 7 on 3DF
    Tandy...
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    Nice, I always assumed all Tandy mode handling...

    Nice, I always assumed all Tandy mode handling was the same. Cool to learn something new after all these years.

    If NRS could provide some details on how this works, it would help the OP. Or, I...
  3. Additionally, ink-jet printers are known loss...

    Additionally, ink-jet printers are known loss leaders: They exist only to sell ink cartridges, which is where the profit is. Like the old adage, "Gillette gives razors away so they can later sell...
  4. You did not damage your computer when you broke...

    You did not damage your computer when you broke your printer.
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    Correct. Sorry if it was implied otherwise. ...

    Correct. Sorry if it was implied otherwise.

    You are probably just stuck doing scrolling the way we had to do it with CGA, which is to understand you only have a single page, and repaint the...
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    The memory is not continuous in all modes. You...

    The memory is not continuous in all modes. You can't assume 32K is present all the time. You're supposed to use the page registers to switch hidden and visible pages as I mentioned in...
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    Could you take a few shots of the first and...

    Could you take a few shots of the first and second screens in the "monitor calibration->Moire (interference)" test in The CGA Compatibility Tester? And maybe a few more patterns, like the "cubes"...
  8. The link, which is ...

    The link, which is

    https://drive.google.com/open?id=0B7WUfxkvYRCMa2ZuZ1VpeTF2b0U&authuser=0

    ...is directly in the preceding posts. That doesn't work when you click it?

    A...
  9. It's included in the aforementioned dropbox link.

    It's included in the aforementioned dropbox link.
  10. Replies
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    I don't own one (I have different needs than most...

    I don't own one (I have different needs than most people) so I can't comment.
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    Thanks for the photo; I don't see excessive...

    Thanks for the photo; I don't see excessive scaling so it looks like the v1 firmware might be a good choice for CGA where overscan (border colors) aren't needed.
  12. I'm not sure I understand the issue here: Whether...

    I'm not sure I understand the issue here: Whether the drive is compressed or not, just copy the files off of it like you would any drive. Don't treat it any differently. Once you have the files...
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    Unless someone identifies as a data scientist...

    Unless someone identifies as a data scientist with a background in machine learning, don't bother.
  14. So far, the worst-performing ISA VGA card I own...

    So far, the worst-performing ISA VGA card I own is from Hercules, and IIRC it also used the Intel chip.
  15. While there are device calls to limit the speed...

    While there are device calls to limit the speed of writing/burning, I don't know of any to limit the normal operational speed, sorry.
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    You need to not worry about "the algorithm". ...

    You need to not worry about "the algorithm". Most people want to blame it when a video doesn't do well, but that's not how youtube works. Your video gets recommended when someone who is interested...
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    The custom firmware also requires adding a...

    The custom firmware also requires adding a component.

    The GBS-8200 is what I originally tested mine with. It's a terrible scaler; you get what you pay for (I paid $18). But it does work.
  18. Replies
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    I wouldn't be too sure. If you're going to be...

    I wouldn't be too sure. If you're going to be messing with crt/page registers as well as scrolling, you should get access to real hardware to see what is actually possible.
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    There's nothing in those references that suggest...

    There's nothing in those references that suggest the game port or RTC need an IRQ, so not sure where you got that idea. In any case, they don't need an IRQ.
  20. I am not the same "Trickster" that frequents...

    I am not the same "Trickster" that frequents Amibay.

    I called you out on writing it was an "Intel" video card because Intel never made 8-bit ISA video cards. It is a Juko video card that uses an...
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    The scaling is done by the MCE2VGA, so the extra...

    The scaling is done by the MCE2VGA, so the extra lines would be visible on a CRT as well.

    Better outputs are possible but they either cost more or require more work to assemble. For example, a...
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    Correct, page 57 of...

    Correct, page 57 of Tandy_1000_Technical_Reference_Manual is what you need to look at (and really, everything on and after page 45).

    Both the PCjr and the Tandy 1000 use system ram as video ram. ...
  23. The card wasn't from Intel, only the chipset was....

    The card wasn't from Intel, only the chipset was. The card is from Juko.

    You couldn't get an image because your pictures show some damage.
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    All SB cards should be set to 220H. Some...

    All SB cards should be set to 220H. Some software requires that. If you remove everything, set it to IRQ 2, DMA 1, port 220 and it STILL doesn't work, then yes, it's busted.



    Always avoid...
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    ftp://ftp.oldskool.org/pub/drivers/Tandy/1000/...

    ftp://ftp.oldskool.org/pub/drivers/Tandy/1000/ should have the reference materials you need.

    Hardware scrolling is possible, but it may not be as usable/granular as you think. The Tandy 1000 (and...
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